Patents by Inventor Chang-Jun Lee
Chang-Jun Lee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20230406812Abstract: The present invention provides a novel aminoaromatic compound or a pharmaceutically acceptable salt thereof, a pharmaceutical composition that is for preventing or treating neurodegenerative diseases and comprises same as an active ingredient, and a health functional food composition for preventing or ameliorating neurodegenerative diseases.Type: ApplicationFiled: November 12, 2021Publication date: December 21, 2023Inventors: Chang Jun LEE, Heejung CHUN, Woojin WON, Ki Duk PARK, Jong Hyun PARK, Ae Nim PAE, Ji Won CHOI, Elijah LEE, Sun Jun PARK, Hyeon Jeong KIM, Yoowon KIM, Byung Eun KIM, Siwon KIM
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Patent number: 11848626Abstract: A body-attachable triboelectric generating device includes a negatively electrified body including an upper electrified layer and a lower electrified layer adhered to the upper electrified layer; and an electrode layer provided between the upper electrified layer and the lower electrified layer. An engraved pattern, serving as a spacer, is formed on one surface of each of the upper and lower electrified layer in contact with the electrode layer.Type: GrantFiled: November 23, 2021Date of Patent: December 19, 2023Assignee: Industry-Academic Cooperation Foundation, Chosun UniversityInventors: Youn Tae Kim, Da Eun Kim, Chang Jun Lee
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Publication number: 20230093216Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: ApplicationFiled: September 27, 2022Publication date: March 23, 2023Applicant: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
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Patent number: 11588109Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: GrantFiled: January 14, 2020Date of Patent: February 21, 2023Assignee: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Tae Hyung Kim, HoCheol Park, Young Bae Kim, Chang Jun Lee, Eunjung Lee, Youngmi Beak
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Publication number: 20220336753Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: ApplicationFiled: January 31, 2022Publication date: October 20, 2022Applicant: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
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Patent number: 11456422Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.Type: GrantFiled: January 18, 2019Date of Patent: September 27, 2022Assignee: SOLUS ADVANCED MATERIALS CO., LTD.Inventors: Tae Hyung Kim, In Hyuk Lee, Yong Hwan Lee, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Eun Jung Lee, Young Mi Beak
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Patent number: 11014201Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.Type: GrantFiled: July 18, 2018Date of Patent: May 25, 2021Assignees: Hyundai Motor Company, Kia Motors Corporation, Dong Yang Piston Co., Ltd.Inventors: Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Young Je Lee, Tae Min Lee, Yong Woo Choi, Chang Jun Lee
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Patent number: 10868478Abstract: A wearable energy generating apparatus includes a flexible substrate, and a flexible electrode part having a first electrode attached to one surface of the flexible substrate, and coated with a negatively charged material, and a second electrode attached to one surface of the flexible substrate, and spaced apart from the first electrode by a predetermined interval. The negatively charged material coated on a surface of the first electrode may directly contact a human body that is a positively charged object, and the second electrode may directly contact the skin of the human body.Type: GrantFiled: December 5, 2016Date of Patent: December 15, 2020Assignee: Industry-Academic Cooperation Foundation, Chosun UniversityInventors: Youn Tae Kim, Chang Jun Lee, A Young Choi, Do Gyun Kim, Ji Won Park
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Patent number: 10707912Abstract: Provided are a mobile electronic apparatus, an accessory device for the mobile electronic apparatus, and an electronic apparatus including the accessory device. The mobile electronic apparatus includes: a display unit including a display screen; a cover detector detecting identification (ID) information of a cover when the display screen is covered by the cover; and a processor displaying a user interface (UI) screen corresponding to the cover on the display screen by driving a program corresponding to the ID information of the cover when receiving the ID information of the cover.Type: GrantFiled: March 4, 2015Date of Patent: July 7, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yong Kim, Eun-young Cho, Mi-jeong Song, Sang-hun Lee, Sung-hwan Park, Chang-jun Lee
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Patent number: 10680536Abstract: A fibrous energy harvesting device having a corrugated structure includes a first fiber layer acting as an electrified body for generation of triboelectric energy, and a second fiber layer acting as an electrified body for generation of triboelectric energy. The first fiber layer is attached to an upper surface of the second fiber layer and has a corrugated structure.Type: GrantFiled: June 15, 2017Date of Patent: June 9, 2020Assignee: Industry-Academic Cooperation Foundation, Chosun UniversityInventors: Youn Tae Kim, A Young Choi, Chang Jun Lee, Ji Won Park, Do Gyun Kim
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Publication number: 20200152886Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: ApplicationFiled: January 14, 2020Publication date: May 14, 2020Applicant: DOOSAN CORPORATIONInventors: Tae Hyung KIM, HoCheol PARK, Young Bae KIM, Chang Jun LEE, Eunjung LEE, Youngmi BEAK
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Patent number: 10573822Abstract: The present disclosure provides an organic electroluminescent device including: an anode; a cathode; and one or more organic material layers interposed between the anode and cathode and selected from the group consisting of a hole injection layer, a hole transporting layer, a light emitting layer, an electron transporting layer, and an electron injection layer, and further including a lifetime enhancement layer (LEL) between the light emitting layer and the electron transporting layer.Type: GrantFiled: December 26, 2014Date of Patent: February 25, 2020Assignee: DOOSAN CORPORATIONInventors: Tae Hyung Kim, HoCheol Park, Young Bae Kim, Chang Jun Lee, Eunjung Lee, Youngmi Beak
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Publication number: 20190184502Abstract: A laser welding apparatus for laser-welding a first welding target and a second welding target seated on the first welding target includes a first jig on which the first welding target is seated, a second jig configured to press the first welding target such that the first welding target is adhered to the first jig, a third jig configured to press the second welding target such that the second welding target is adhered to the first welding target, one or more connection members connecting the second jig and the third jig such that the second welding target is pressed by the second jig when the first welding target is pressed by the first jig, and a laser head configured to laser-weld the first welding target and the second welding target by irradiating a laser beam to a specific welding part of the second welding target.Type: ApplicationFiled: July 18, 2018Publication date: June 20, 2019Inventors: Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Young Je Lee, Tae Min Lee, Yong Woo Choi, Chang Jun Lee
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Publication number: 20190157567Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.Type: ApplicationFiled: January 18, 2019Publication date: May 23, 2019Applicant: DOOSAN CORPORATIONInventors: Tae Hyung KIM, In Hyuk LEE, Yong Hwan LEE, Jin Yong SHIN, Ho Cheol PARK, Chang Jun LEE, Eun Jung LEE, Young Mi BEAK
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Patent number: 10297759Abstract: The present disclosure relates to a novel compound having excellent hole injection capabilities and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which includes the compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and a service life.Type: GrantFiled: August 13, 2013Date of Patent: May 21, 2019Assignee: DOOSAN CORPORATIONInventors: Tae Hyung Kim, In Hyuk Lee, Yong Hwan Lee, Jin Yong Shin, Ho Cheol Park, Chang Jun Lee, Eun Jung Lee, Young Mi Beak
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Patent number: 10236451Abstract: Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.Type: GrantFiled: March 6, 2013Date of Patent: March 19, 2019Assignee: DOOSAN CORPORATIONInventors: Hyung Chan Bae, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Young Shin
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Patent number: 10230053Abstract: An organic light-emitting device includes: a first electrode; a second electrode opposite the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, the electron transport region including an electron control layer, wherein the hole transport region includes at least one compound selected from a first compound represented by Formula 1 and a second compound represented by Formula 2, and the electron control layer includes a third compound represented by Formula 3:Type: GrantFiled: January 29, 2016Date of Patent: March 12, 2019Assignees: Samsung Display Co., Ltd., Doosan CorporationInventors: Myeong-Suk Kim, Sung-Wook Kim, Hwan-Hee Cho, Sang-Woo Lee, Chang-Woong Chu, Tae-Hyung Kim, Ho-Cheol Park, Chang-Jun Lee, Young-Bae Kim, Hoe-Moon Kim
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Patent number: 10038146Abstract: The present invention relates to a novel indole-based compound having superior hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the indole-based compound in one or more organic layers thereof so as to thereby achieve improved characteristics, such as light-emitting efficiency, driving voltage, and lifespan characteristics.Type: GrantFiled: December 7, 2012Date of Patent: July 31, 2018Assignee: DOOSAN CORPORATIONInventors: Hoe Moon Kim, Sung Moo Kim, Young Bae Kim, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Young Mi Baek, Jin Yong Shin
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Patent number: 10008675Abstract: The present disclosure relates to a novel compound and an organic electroluminescent element including the same, and the compound according to the present disclosure is used for an organic material layer of the organic electroluminescent element, thereby improving the light emitting efficiency, driving voltage, lifetime, and the like of the organic electroluminescent element.Type: GrantFiled: December 16, 2014Date of Patent: June 26, 2018Assignee: DOOSAN CORPORATIONInventors: Young Bae Kim, Hyunjong Jo, Chang Jun Lee, Jinyong Shin, Hoe Moon Kim, Youngmi Beak, Tae Hyung Kim
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Publication number: 20180123482Abstract: A fibrous energy harvesting device having a corrugated structure includes a first fiber layer acting as an electrified body for generation of triboelectric energy, and a second fiber layer acting as an electrified body for generation of triboelectric energy. The first fiber layer is attached to an upper surface of the second fiber layer and has a corrugated structure.Type: ApplicationFiled: June 15, 2017Publication date: May 3, 2018Inventors: Youn Tae KIM, A Young CHOI, Chang Jun LEE, Ji Won PARK, Do Gyun KIM